Ten people were wounded by gunfire in a handful of robberies and other attacks across the South and West sides on Friday and Saturday, police said.

An 18-year-old was shot in the chest during a driveby shooting in the Pilsen neighborhood on the West Side and is in critical condition atJohn H. Stroger, Jr. Hospital of Cook County, police said. Police were called about 3:10 a.m. to the scene in the 1900 block of South Morgan Street after receiving a report of a person being shot and found a crowd surrounding the victim who was laying on the sidewalk.

Witnesses on the scene told police they observed a red Ford Explorer driving southbound on Morgan with approximately 4-5 people inside. Witnesses heard gunshots coming from the vehicle, which fled westbound on Cullerton Street. Witnesses told police they heard someone inside the Explorer shouting gang slogans. The victim doesn't have any documented gang affiliations, police said.

A 15-year-old boy was taken to a nearby hospital after being shot in the leg on the South Side early Saturday morning, police said. While walking east on at East 93rd Street and Anthony Street in the Calumet Heights neighborhood at 12:45 a.m., the boy was approached by a 19- to 25-year-old man with dreadlocks. The man flashed a blue steel semiautomatic gun and told the boy to "give me everything you have."